package com.itheima.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.itheima.pojo.AliOSSProperties;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

/**
 * CTassName: AliOSSUtils
 * Package: com.itheima.utils
 * Description:
 *
 * @Author xw
 * @Create 2023/11/6 15:17
 * @Version 1.0
 */
// 引入阿里云OSS上传文件工具类（由官方的示例代码改造而来
@Slf4j
@Component
public class AliOSSUtils {
    /*private String endpoint = "https://oss-cn-guangzhou.aliyuncs.com";
    private String accessKeyId = "LTAI5tFz9qjPaBst6ZGEVwTy";
    private String accessKeySecret = "TNHISrfjNzH6wLTVIUHAiX7nA87YPM";
    private String bucketName = "java615";*/

    /**
     * 实现上传图片到OSS
     * private String endpoint = "https://oss-cn-guangzhou.aliyuncs.com";
     * private String accessKeyId = "LTAI5tGJKWuBifboPQrMQFze";
     * private String accessKeySecret = "PghR2lcWRjJI4UupdqLtPVXCIz9INS";
     * private String bucketName = "java84";
     */

    //注入配置参数实体类对象
    @Autowired
    private AliOSSProperties aliOSSProperties;



    public String upload(MultipartFile multipartFile) throws IOException {
        // 获取上传的文件的输入流
        InputStream inputStream = multipartFile.getInputStream();

        // 避免文件覆盖
        String originalFilename = multipartFile.getOriginalFilename();
        String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

        //上传文件到 OSS
        OSS ossClient = new OSSClientBuilder().build(aliOSSProperties.getEndpoint(),aliOSSProperties.getAccessKeyId(),aliOSSProperties.getAccessKeySecret());
        ossClient.putObject(aliOSSProperties.getBucketName(), fileName, inputStream);

        //文件访问路径
        String url = aliOSSProperties.getEndpoint().split("//")[0] + "//" + aliOSSProperties.getBucketName() + "." + aliOSSProperties.getEndpoint().split("//")[1] + "/" + fileName;

        // 关闭ossClient
        ossClient.shutdown();
        return url;// 把上传到oss的路径返回
    }
}
